From d65b9a19db62d18895f329a1ab6d5c0ff96fa960 Mon Sep 17 00:00:00 2001 From: InfRandomness Date: Wed, 30 Mar 2022 17:53:29 +0200 Subject: [PATCH] Add note to the lint diagnostic --- compiler/rustc_monomorphize/src/collector.rs | 1 + src/test/ui/async-await/large_moves.attribute.stderr | 7 +++++++ src/test/ui/async-await/large_moves.option.stderr | 7 +++++++ 3 files changed, 15 insertions(+) diff --git a/compiler/rustc_monomorphize/src/collector.rs b/compiler/rustc_monomorphize/src/collector.rs index 1477bc28cff44..3f6c24a769e72 100644 --- a/compiler/rustc_monomorphize/src/collector.rs +++ b/compiler/rustc_monomorphize/src/collector.rs @@ -859,6 +859,7 @@ impl<'a, 'tcx> MirVisitor<'tcx> for MirNeighborCollector<'a, 'tcx> { |lint| { let mut err = lint.build(&format!("moving {} bytes", layout.size.bytes())); err.span_label(source_info.span, "value moved from here"); + err.note(&format!(r#"The current maximum size is {}, but it can be customized with the move_size_limit attribute: `#![move_size_limit = "..."]`"#, limit.bytes())); err.emit(); }, ); diff --git a/src/test/ui/async-await/large_moves.attribute.stderr b/src/test/ui/async-await/large_moves.attribute.stderr index 39b7e7cb345bd..8d3f0b77f434d 100644 --- a/src/test/ui/async-await/large_moves.attribute.stderr +++ b/src/test/ui/async-await/large_moves.attribute.stderr @@ -15,24 +15,31 @@ note: the lint level is defined here | LL | #![deny(large_assignments)] | ^^^^^^^^^^^^^^^^^ + = note: The current maximum size is 1000, but it can be customized with the move_size_limit attribute: `#![move_size_limit = "..."]` error: moving 10024 bytes --> $DIR/large_moves.rs:18:14 | LL | let z = (x, 42); | ^ value moved from here + | + = note: The current maximum size is 1000, but it can be customized with the move_size_limit attribute: `#![move_size_limit = "..."]` error: moving 10024 bytes --> $DIR/large_moves.rs:18:13 | LL | let z = (x, 42); | ^^^^^^^ value moved from here + | + = note: The current maximum size is 1000, but it can be customized with the move_size_limit attribute: `#![move_size_limit = "..."]` error: moving 10024 bytes --> $DIR/large_moves.rs:20:13 | LL | let a = z.0; | ^^^ value moved from here + | + = note: The current maximum size is 1000, but it can be customized with the move_size_limit attribute: `#![move_size_limit = "..."]` error: aborting due to 4 previous errors diff --git a/src/test/ui/async-await/large_moves.option.stderr b/src/test/ui/async-await/large_moves.option.stderr index 39b7e7cb345bd..8d3f0b77f434d 100644 --- a/src/test/ui/async-await/large_moves.option.stderr +++ b/src/test/ui/async-await/large_moves.option.stderr @@ -15,24 +15,31 @@ note: the lint level is defined here | LL | #![deny(large_assignments)] | ^^^^^^^^^^^^^^^^^ + = note: The current maximum size is 1000, but it can be customized with the move_size_limit attribute: `#![move_size_limit = "..."]` error: moving 10024 bytes --> $DIR/large_moves.rs:18:14 | LL | let z = (x, 42); | ^ value moved from here + | + = note: The current maximum size is 1000, but it can be customized with the move_size_limit attribute: `#![move_size_limit = "..."]` error: moving 10024 bytes --> $DIR/large_moves.rs:18:13 | LL | let z = (x, 42); | ^^^^^^^ value moved from here + | + = note: The current maximum size is 1000, but it can be customized with the move_size_limit attribute: `#![move_size_limit = "..."]` error: moving 10024 bytes --> $DIR/large_moves.rs:20:13 | LL | let a = z.0; | ^^^ value moved from here + | + = note: The current maximum size is 1000, but it can be customized with the move_size_limit attribute: `#![move_size_limit = "..."]` error: aborting due to 4 previous errors